<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
	</body>
	<script>
		console.log(1)
		setTimeout(function(){
			console.log(2);
		},0);
		Promise.resolve().then(function(){
			console.log(3)
		}).then(function(){
			console.log(4)
		})
		console.log(5)
	</script>
</html>
